题目内容：

I live in a small town and almost everyone knows each other. It ____ very quiet. Nothing much ever happened around here. However, these days, something unusual ____ in our town. Clara, a teacher of ____ is really nervous. When she ____ by the town newspaper, she said, “Every night we hear strange noises outside our window. My husband thinks that it could be a cat, but I think it must be some persons ____ fun. We called the policemen, ____ they couldn’t find anything strange. They think it ____ the wind. I don’t think so. My neighbor Lucy is ____, too. “I think it was ___big to be a cat,” she said. “Maybe it was a bear or a wolf.” Everyone in our town is feeling uneasy. ____ something visiting the homes in our neighborhood. What is it on earth? Who can help us?

1.A. used to be    B. uses to be    C. is used to be    D. was used to be

2.A. happened    B. is happening    C. was happening    D. has happened

3.A. my    B. me    C. mine    D. I

4.A. interviewed    B. is interviewed    C. was interviewed    D. interviews

5.A. have    B. had    C. has    D. having

6.A. and    B. but    C. though    D. until

7.A. might be    B. should be    C. can’t be    D. must be

8.A. happy    B. worried    C. careful    D. silent

9.A. such    B. either    C. so    D. too

10.A. There are    B. There must be    C. There must have    D. There must is